1 National Geodetic Survey, Retrieval Date = MARCH 3, 2005 GV1201 *********************************************************************** GV1201 DESIGNATION - 74 C OF R GV1201 PID - GV1201 GV1201 STATE/COUNTY- VA/RICHMOND GV1201 USGS QUAD - RICHMOND (1994) GV1201 GV1201 *CURRENT SURVEY CONTROL GV1201 ___________________________________________________________________ GV1201* NAD 83(1986)- 37 33 35. (N) 077 27 55. (W) SCALED GV1201* NAVD 88 - 62.857 (meters) 206.22 (feet) ADJUSTED GV1201 ___________________________________________________________________ GV1201 GEOID HEIGHT- -32.97 (meters) GEOID03 GV1201 DYNAMIC HT - 62.814 (meters) 206.08 (feet) COMP GV1201 MODELED GRAV- 979,945.2 (mgal) NAVD 88 GV1201 GV1201 VERT ORDER - FIRST CLASS II GV1201 GV1201.The horizontal coordinates were scaled from a topographic map and have GV1201.an estimated accuracy of +/- 6 seconds. GV1201 GV1201.The orthometric height was determined by differential leveling GV1201.and adjusted by the National Geodetic Survey in June 1991. GV1201 GV1201.The geoid height was determined by GEOID03. GV1201 GV1201.The dynamic height is computed by dividing the NAVD 88 GV1201.geopotential number by the normal gravity value computed on the GV1201.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 GV1201.degrees latitude (g = 980.6199 gals.). GV1201 GV1201.The modeled gravity was interpolated from observed gravity values. GV1201 GV1201; North East Units Estimated Accuracy GV1201;SPC VA S - 1,136,600. 3,591,420. MT (+/- 180 meters Scaled) GV1201 GV1201 SUPERSEDED SURVEY CONTROL GV1201 GV1201 NGVD 29 (??/??/??) 63.165 (m) 207.23 (f) ADJUSTED 1 2 GV1201 GV1201.Superseded values are not recommended for survey control. GV1201.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. GV1201.See file dsdata.txt to determine how the superseded data were derived. GV1201 GV1201_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STG822598(NAD 83) GV1201_MARKER: B = BOLT GV1201_SETTING: 30 = WELL GV1201_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY GV1201 GV1201 HISTORY - Date Condition Report By GV1201 HISTORY - UNK MONUMENTED VA2060 GV1201 HISTORY - 1958 GOOD CGS GV1201 HISTORY - 1988 GOOD USPSQD GV1201 HISTORY - 19990306 MARK NOT FOUND USPSQD GV1201 HISTORY - 20031108 MARK NOT FOUND USPSQD GV1201 HISTORY - 20050125 MARK NOT FOUND USPSQD GV1201 GV1201 STATION DESCRIPTION GV1201 GV1201'DESCRIBED BY COAST AND GEODETIC SURVEY 1958 GV1201'AT RICHMOND. GV1201'AT RICHMOND, HENRICO COUNTY, AT THE CENTER OF BROAD STREET, AND GV1201'350 FEET EAST OF DAVIS AVENUE. THE TOP OF A BOLT, SET IN A GV1201'SMALL CAST-IRON WELL. GV1201 GV1201 STATION RECOVERY (1988) GV1201 GV1201'RECOVERY NOTE BY US POWER SQUADRON 1988 (GRM) GV1201'RECOVERED IN GOOD CONDITION. GV1201 GV1201 STATION RECOVERY (1999) GV1201 GV1201'RECOVERY NOTE BY US POWER SQUADRON 1999 GV1201'MARK NOT FOUND. GV1201 GV1201 STATION RECOVERY (2003) GV1201 GV1201'RECOVERY NOTE BY US POWER SQUADRON 2003 (EEC) GV1201'MARK NOT FOUND. GV1201 GV1201 STATION RECOVERY (2005) GV1201 GV1201'RECOVERY NOTE BY US POWER SQUADRON 2005 GV1201'SEARCHED IN AREA OF PLOTTED POSITION, MARKER WAS NOT FOUND. 1 National Geodetic Survey, Retrieval Date = MARCH 3, 2005 GV1202 *********************************************************************** GV1202 DESIGNATION - O GV1202 PID - GV1202 GV1202 STATE/COUNTY- VA/RICHMOND GV1202 USGS QUAD - RICHMOND (1994) GV1202 GV1202 *CURRENT SURVEY CONTROL GV1202 ___________________________________________________________________ GV1202* NAD 83(1986)- 37 33 06. (N) 077 27 07. (W) SCALED GV1202* NAVD 88 - 57.901 (meters) 189.96 (feet) ADJUSTED GV1202 ___________________________________________________________________ GV1202 GEOID HEIGHT- -33.01 (meters) GEOID03 GV1202 DYNAMIC HT - 57.861 (meters) 189.83 (feet) COMP GV1202 MODELED GRAV- 979,947.2 (mgal) NAVD 88 GV1202 GV1202 VERT ORDER - FIRST CLASS II GV1202 GV1202.The horizontal coordinates were scaled from a topographic map and have GV1202.an estimated accuracy of +/- 6 seconds. GV1202 GV1202.The orthometric height was determined by differential leveling GV1202.and adjusted by the National Geodetic Survey in June 1991. GV1202 GV1202.The geoid height was determined by GEOID03. GV1202 GV1202.The dynamic height is computed by dividing the NAVD 88 GV1202.geopotential number by the normal gravity value computed on the GV1202.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 GV1202.degrees latitude (g = 980.6199 gals.). GV1202 GV1202.The modeled gravity was interpolated from observed gravity values. GV1202 GV1202; North East Units Estimated Accuracy GV1202;SPC VA S - 1,135,720. 3,592,600. MT (+/- 180 meters Scaled) GV1202 GV1202 SUPERSEDED SURVEY CONTROL GV1202 GV1202 NGVD 29 (??/??/??) 58.209 (m) 190.97 (f) ADJUSTED 1 2 GV1202 GV1202.Superseded values are not recommended for survey control. GV1202.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. GV1202.See file dsdata.txt to determine how the superseded data were derived. GV1202 GV1202_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STG834588(NAD 83) GV1202_MARKER: Q = CHISELED SQUARE GV1202_SETTING: 36 = DOORSILL GV1202_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL GV1202 GV1202 HISTORY - Date Condition Report By GV1202 HISTORY - UNK MONUMENTED CGS GV1202 HISTORY - 1958 GOOD CGS GV1202 HISTORY - 1989 MARK NOT FOUND USPSQD GV1202 HISTORY - 19990306 MARK NOT FOUND USPSQD GV1202 HISTORY - 20031108 MARK NOT FOUND USPSQD GV1202 HISTORY - 20050125 MARK NOT FOUND USPSQD GV1202 GV1202 STATION DESCRIPTION GV1202 GV1202'DESCRIBED BY COAST AND GEODETIC SURVEY 1958 GV1202'AT RICHMOND. GV1202'AT RICHMOND, HENRICO COUNTY, NEAR THE INTERSECTION OF BROAD AND GV1202'HARRISON STREETS, AT THE RICHMOND, FREDERICKSBURG AND POTOMAC GV1202'RAILROAD FREIGHT STATION, AT THE SECOND DOOR ON THE SOUTH SIDE, GV1202'ON THE GRANITE DOORSILL, 2.1 FEET FROM THE WEST SIDE OF THE DOOR, GV1202'AND 4 INCHES FROM THE SOUTH EDGE OF THE DOORSILL. A CHISELED GV1202'SQUARE. GV1202 GV1202 STATION RECOVERY (1989) GV1202 GV1202'RECOVERY NOTE BY US POWER SQUADRON 1989 (GB) GV1202'MARK NOT FOUND. GV1202 GV1202 STATION RECOVERY (1999) GV1202 GV1202'RECOVERY NOTE BY US POWER SQUADRON 1999 GV1202'MARK NOT FOUND. GV1202 GV1202 STATION RECOVERY (2003) GV1202 GV1202'RECOVERY NOTE BY US POWER SQUADRON 2003 (EEC) GV1202'MARK NOT FOUND. GV1202 GV1202 STATION RECOVERY (2005) GV1202 GV1202'RECOVERY NOTE BY US POWER SQUADRON 2005 GV1202'SEARCHED IN AREA OF PLOTTED POSITION, MARKER WAS NOT FOUND.